<template>
  <div class="top-category">
    <div class="container">
       <!-- 面包屑导航 -->
      <XtxBread>
        <XtxBreadItem to="/">首页</XtxBreadItem>
        <XtxBreadItem>{{categroyName}}</XtxBreadItem>
      </XtxBread>
      <!-- 轮播图 -->
      <XtxSlider :sliders="sliders" :autoPlay="true" style="height:500px"/>
        <!-- 所有二级分类 -->
      <div class="sub-list">
          <h3>全部分类</h3>
          <ul>
            <li v-for="item in categroyAllList" :key="item.id">
              <a href="javascript:;">
                <img v-imgLazy="item.picture" >
                <p>{{item.name}}</p>
              </a>
            </li>
          </ul>
      </div>
      <!-- 分类关联商品 -->
      <div class="ref-goods" v-for="item in categroyAllList" :key="item.id">
          <div class="head">
            <h3>-  {{item.name}}  -</h3>
            <XtxMore to="/" />
          </div>
          <div class="body">
            <goodsItems v-for="good in item.goods" :good="good" :key="good.id"></goodsItems>
          </div>
      </div>
    </div>
  </div>
</template>
<script>
import { findBanner } from '@/api/home'
import { findTopCategory } from '@/api/category'
import { ref, onMounted, watch } from 'vue'
import { useRoute } from 'vue-router'
import goodsItems from './components/goods-items'
export default {
  name: 'TopCategory',
  components: {
    goodsItems
  },
  setup () {
    // banner功能
    const sliders = ref([])
    async function loadBanner () {
      const { result } = await findBanner()
      sliders.value = result
    }
    onMounted(() => {
      loadBanner()
    })
    // 全部分类
    const categroyAllList = ref([])
    const categroyName = ref('')
    // route = this.$route   route.params.id调用路由上的id
    const route = useRoute()
    async function getCategroyAllList () {
      const res = await findTopCategory(route.params.id)
      // console.log(res)
      // console.log(route)
      categroyAllList.value = res.result.children
      categroyName.value = res.result.name
    }
    watch(() => {
      return route.params.id
    },
    () => {
      route.params.id && route.path === `/category/${route.params.id}` && getCategroyAllList()
    },
    { immediate: true })
    // onMounted(() => {
    //   getCategroyAllList()
    // })
    return {
      sliders,
      categroyAllList,
      categroyName
    }
  }
}
</script>
<style scoped lang="less">
.top-category {
  h3 {
    font-size: 28px;
    color: #666;
    font-weight: normal;
    text-align: center;
    line-height: 100px;
  }
  .sub-list {
    margin-top: 20px;
    background-color: #fff;
    ul {
      display: flex;
      padding: 0 32px;
      flex-wrap: wrap;
      li {
        width: 168px;
        height: 160px;
        a {
          text-align: center;
          display: block;
          font-size: 16px;
          img {
            width: 100px;
            height: 100px;
          }
          p {
            line-height: 40px;
          }
          &:hover {
            color: @xtxColor;
          }
        }
      }
    }
  }
  .ref-goods {
    background-color: #fff;
    margin-top: 20px;
    position: relative;
    .head {
      .xtx-more {
        position: absolute;
        top: 20px;
        right: 20px;
      }
      .tag {
        text-align: center;
        color: #999;
        font-size: 20px;
        position: relative;
        top: -20px;
      }
    }
    .body {
      display: flex;
      justify-content: space-around;
      padding: 0 40px 30px;
    }
  }
}
.body {
  display: flex;
  justify-content: space-between;
}
</style>
